Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:44 2012

Optimize a model with 53 rows, 149 columns and 149 nonzeros
Model has 104 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.61s
Presolved: 53 rows, 148 columns, 148 nonzeros
Variable types: 104 continuous, 44 integer (43 binary)

Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

H    0     0                      31.0000000          -     -      -    0s
     0     0    0.00000    0   11   31.00000    0.00000   100%     -    0s
     0     0    0.00000    0    4   31.00000    0.00000   100%     -    0s
     0     0    0.00000    0    4   31.00000    0.00000   100%     -    0s
     0     2    0.00000    0    4   31.00000    0.00000   100%     -    0s
H    8     8                       4.0000000    1.00000  75.0%  42.6    0s

Cutting planes:
  Gomory: 1

Explored 45 nodes (1093 simplex iterations) in 0.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%